i know how to download them an put it on my game but i keep walking over them like houses and trees i need help :-\
You need to open the database and select 'chipset'. From there you put an 'X' on things you're not supposed to be able to pass over and a 'O' on things you CAN walk one. A star means the tile will be drawn over the hero and a square will draw the tile over your hero, but you can't pass through it.
Yep then check the other tabs running down the right hand side of the screen, you need to set the Priority and directional pass also... Oh and don't forget the Auto tiles, they will need their path's doing also...
Best way is to look at other maps to get the gist of it.